问题描述: Mary ought to have been here by now.Iwonder what's happened to here. 1个回答 分类:英语 2014-11-06 问题解答: 我来补答 玛莉现在本该到这儿了(可是还没到),我想知道她发生什么了.(最后那个here应该是her吧?) 展开全文阅读